Tune tile priority functions

2013-03-26 20:38:34 +01:00
parent 5e8b0de66d
commit 1d22d2fdde
2 changed files with 10 additions and 5 deletions
--- a/src/ol/renderer/webgl/webglmaprenderer.js
+++ b/src/ol/renderer/webgl/webglmaprenderer.js
@@ -176,7 +176,8 @@ ol.renderer.webgl.Map = function(container, map) {
        var tileResolution = /** @type {number} */ (element[2]);
        var deltaX = tileCenter.x - this.focus_.x;
        var deltaY = tileCenter.y - this.focus_.y;
-        return tileResolution * (deltaX * deltaX + deltaY * deltaY + 1);
+        return 65536 * Math.log(tileResolution) +
+            Math.sqrt(deltaX * deltaX + deltaY * deltaY) / tileResolution;
      }, this),
      /**
       * @param {Array} element Element.